Xiejiacao section, bed 33, Guang'an County (Triassic of China)

Where: Sichuan, China (30.5° N, 107.0° E: paleocoordinates 13.3° N, 93.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Daye Formation, Smithian (251.3 - 247.2 Ma)

• Fourth member

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: Z. Y. Yang, H. F. Yin, S. B. Wu, F. Q. Yang, M. H. Ding and G. R. Xu. 1987. Permian-Triassic Boundary Stratigraphy and Fauna of South China 1-379 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149097: authorized by Matthew Clapham, entered by Matthew Clapham on 29.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Aviculopectinidae
Eumorphotis multiformis Bittner 1899 scallop
Eumorphotis inaequicostata Benecke 1868 scallop
 Trigoniida - Myophoriidae
Neoschizodus sp. Giebel 1855 clam
 Cardiida - Anthracosiidae
Unionites fassaensis Wissmann 1841 clam